@misc{KYB_1973__9_4_a9,
     title = {News},
     journal = {Kybernetika},
     pages = {341--342},
     publisher = {mathdoc},
     volume = {09},
     number = {4},
     year = {1973},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1973__9_4_a9/}
}